ProForm Self-Etching Primer Gray provides professional-grade surface preparation in a convenient 20oz spray format. This self-etching formula bonds directly to bare metal, fiberglass, and plastic without requiring separate etching steps, saving time on automotive and refinishing projects. The gray color offers excellent coverage and visibility, making it ideal for blocking and build coats. Fast-drying and sandable, it creates a smooth foundation for topcoats and clear finishes. Perfect for DIY painters and professionals tackling restoration work, custom builds, or touch-up jobs where reliable adhesion and quick turnaround are essential.